Cosmic rays and Radon are the two naturally occurring sources of radiation.
Laser and nuclear power plants are man made things while rocks and soil are not sources of radiation.
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Part A Which of the following examples of radiation come from naturally occurring sources? Check all...
- Important values I needed for this question. Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally occurring Radiation res rec Cosmic rays Terrestrial radiation (rocks, building) Inside human body (K-40 and Ra-266 in the bones) Radon in the air Total 200 2reg 294 Artificial Radiation 2reg 2reg Medical Xraye Nuclear medicine Consumer products Nuclear power plants All others Total Grand total 0.5 1.5 65.0 359 Use the data on the table to decide which is more serious:...
Assignment Score: 66.7% Resources Hint Resume Question 1 of 6 Question Classify the sources of radiation as occurring naturally in the environment or resulting from human activity. Naturally occurring Resulting from human activity Answer Bank medical X-ray smoke alarms internal anatomical radiation radon nuclear fuel cosmic rays
Item 1 Part A Where does the electric energy from windmills ultimately come from? Submit Request Answer Provide Feedback Reflect in ePortfolio mastering chemistry.com/myct/itemView7assignment Problemi 1245710 Item 24 Part A Which of the following does not describe an aquifer? Check all that apply. O The rate of most aquifers is about a few meters per hour. Most aquifers are highly contaminated with bacteria. Aquifers change depth depending on rainfall. O Aquifers contain less water than surface water sources. O Aquifers...
For an average person, which of the following is likely to be the MOST significant source of exposure to radiation? a)emissions from nuclear power plants b)elements found naturally in human tissue c)luminous watch dials d)cosmic radiation e)fallout from nuclear testing
Part D Choose the monomer(s) from which styrene-butadiene rubber is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene styrene ethylene Request Answer Submit Provide Feedback Request Answer Submit Part C Choose the monomer(s) from which poly(vinyl chloride) is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene styrene ethylene Submit Request Answer Part B Choose the monomer(s) from which polypropylene is made. Check all that apply. isoprene vinyl chloride butadiene vinyliden chloride propylene...
Part B Which of the following are sources of cholesterol for the body? Check all that apply. Eating vegetables Synthesis in the pancreas from proteins Eating meats and eggs Synthesis in the liver from lipids Drinking milk Synthesis in the liver from carbohydrates Synthesis in the pancreas from nucleic acids Synthesis in the liver from fats
Part A not digestible by humans Check all that apply. chitin amylopectin glycogen cellulose amylose Request Answer Submit Part B the storage form of carbohydrates in plants Check all that apply.
Submit Request Answer Part B the storage form of carbohydrates in plants Check all that apply. cellulose chitin amylose amylopectin glycogen Submit Request Answer Part C contains only aſ 1-4) glycosidic bonds
Part A Which of the following sets of ions are isoelectronic? Check all that apply. S2_, Ca2+, K+ Cs!, Ba2+, La3+ O 02-, S2, Se Submit Request Answer Provide Feedback
Part A Which of the following bonds are polar? Check all that apply. O B-F O C1-C1 O Se-0 OH-I Submit Request Answer